Pain is a feeling triggered by the nervous system, which may be sharp or dull, it may come and go, or it may be constant. You may feel pain in one area of your body, such as your back, abdomen or chest or you may feel pain all over, such as when your muscles ache from the flu. Pain can be helpful in diagnosing a problem because without it, you might seriously hurt yourself without knowing it, or you might not realize you have a medical problem that needs treatment. Pain management is important for ongoing pain control, especially if you suffer with long-term or chronic pain. After conducting a pain assessment, your doctor can prescribe pain medicine, other pain treatments, or psychotherapy to help with pain relief.